Finding the Fourth Proportional to 1,686,107.67, 2,524,759.21 and 1,107,912.99
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Solution
The fourth proportional to 1,686,107.67, 2,524,759.21 and 1,107,912.99 is: 1,658,976.81
Step by Step Solution
- Step 1: Write the proportion equation
1,686,107.67 : 2,524,759.21 = 1,107,912.99 : x - Step 2: Convert to fraction form
1,686,107.67/2,524,759.21 = 1,107,912.99/x - Step 3: Cross multiply
1,686,107.67x = 2,524,759.21 × 1,107,912.99 - Step 4: Simplify right side
1,686,107.67x = 2,797,213,525,381.14 - Step 5: Solve for x
x = 2,797,213,525,381.14/1,686,107.67 - Step 6: Final answer
x = 1,658,976.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.